Yamaha RX-V2300 Service Manual page 85

A B
SCHEMATIC DIAGRAM (FUNCTION)
Page 87 H4
1 to OPERATION (3)
INPUT SELECTOR
0 0
0
0
0
0 0 0
0 0
0 0
0
2 0 0 0
0 0
0
0 0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0 0 0
0 0
0 0
0 0
0 0
0 0
0 0 0 0
0 0
0 0
0 0 0 0
0 0
0 0 0 0
3
0 0
0 0 0 0
0
0
0
0 0 0
0 0
0 0 0 0
0
0
0 0 0 0
MAIN L
0 11.6
0
0
0
4
0
0
-11.7
11.4
0
NJM2068MD-TE2
0
0
0
0
0 NJM2068MD-TE2
5
-11.3
PHONO EQ
6
0 11.7
0 0
NJM2068MD-TE2
0.4
NJM2068MD-TE2
0.4
0.4
-11.4
7
Page 89 B3
to VIDEO (7)
8
9
C D E
RX-V1300/RX-V1300RDS/HTR-5590/DSP-AX1300
Page 83 E1 Page 83 F1
to DSP to DSP
DIGITAL IN
11.7
0 0 0
NJM2068MD-TE2
0 2.6 0
2.5 2.6
0 0
0
0 0 2.6
0 -11.6 0
2.5 2.5
-11.6 2.5 5.1
0 0 0 0
4.8 0
0 0
-11.6
0 5.1
0
4.8 0
0
0 -11.6
0 0 4.8 4.8
NJM2068MD-TE2
0 0
0 0
0 -11.6
FRONT L 2.6 0
2.6
2.6
0 2.6
0 0 2.6 2.6
5.1
2.2K 2.6
0 0
0 0
CENTER
2.2K 4.8 0
0 5.1
0
0 4.8 0
11.6 11.6
0 0 0 4.8
0
0 0
0 0
NJM2068MD-TE2
NJM2068MD-TE2 0 ELECTRIC
0
0
0 -11.7
0
0 0 0 VOLUME
0
-11.7
REAR L
11.6
0 0
0
0 2.6 0
0 2.6 2.6
0
NJM2068MD-TE2 0 2.6
2.6 2.6
2.6 5.1
NJM2068MD-TE2 0 0
0 4.8 0
0
0 0 5.1
0 0
0 4.8 0
-11.7
0 4.8
0
0 2.6 0
2.6
2.6
0
0 2.6
2.6 2.6
2.6 5.1
0 0
0
4.8
0 5.1
4.8 0
0 4.8
0 4.5
2.8 4.8
1.7 0
1.9 2.7 1.8
1.8 2.8 2.8
2.4 2.7 2.1
2.1 2.1 1.7
2.3 1.7 2.2
1.7 4.7
2.4 0
4.8
2.2 0
4.8 4.8 4.7
2.6 0.2
2.9 2.9
1.9 2.6
0
2.6 2.6
0.2 1.9 1.8
2.3 2.6 5.0
2.4 1.8 5.0
2.6 2.0 5.0
2.5
1.8 0
2.3 0 0
2.4 1.0 0
2.5 2.4 0
0
4.8
4.8
0.3
FLASH 3.6
0.3
5.0
MEMORY
5.0
0.9
0.5 0.5
0
1.2
0.3 5.0
4.8
0
0 0.5
1.2
0 0
POWER
DETECT/
RESET
9.2 5.7
0.6
0.6
0
Page 89 C3 Page 89 C2
to VIDEO (7) to VIDEO (5)
# All voltages are measured with a 10MΩ/V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
F G
Page 87 A7
to OPERATION (2)
MUTE
0 0
0 0
0 0
6.8K
0
11.7
0
0
0
0 0 0
0 NJM2068MD-TE2
-11.7 0 -11.7
0
0
0
NJM2068MD-TE2 -11.7 -11.7
0 0
0
0
-11.7 0
0 0
0
0
0 0
6.8K 0 0
0
0
-11.7
0
0
11.7
0 -11.7
0
0
0
0
0
0
-11.7 -11.7
0
0
0
-11.7
11.7
0 0
0
0
NJM2068MD-TE2
0 NJM2068MD-TE2
0
0 0
-11.7
-11.7
0
0
11.7
0
0
5.1 11.8
-11.7
5.7
5.1 11.8
5.7
0 0
0 0
4.5
4.5 -11.7
4.8 -11.7
1.0 4.5
-11.7
4.5
4.8
-11.7
MAIN µ–COM
4.8
2.8
4.5
0
4.5 -11.7
0
4.8 4.8 -11.7
4.8
0
4.7
4.5
4.8
4.5 -11.7
4.8 4.8 -11.7
0
0
4.9
4.8 4.5
4.8
-11.7
4.5
4.8
4.8 4.8
-11.7
4.8
4.2
2
4.8
0 4.4
4.8
4.4 4.4
4.8
0.1 3.7 4.4
5.0
3
A
5.7 4.8
5.7 5.7 5.0
5.7
4.8
5.0 B
0
0
0 0
H I
RX-V2300/DSP-AX2300/RX-V1300/RX-V1300RDS/HTR-5590/DSP-AX1300
Point 2 Pin 20 of IC502
0
-11.7
0
0
0 -11.7
0
-11.7
0
0
-11.7
0
0
-11.7
0
0
-11.7
0
0
-11.7
0
5.0
0
0
5.0
IC501, 507, 511, 513~515, 521, 523~525: NJM2068MD
IC508, : µPC4570G2
Dual OP-Amp
OUT 1
5.0 1
–IN 1 2
+IN 1 3
–V 4
CC
5.0
5.0
5.0
IC503, 509: LC78211
Analog Function Switch
5.0
1
L1
L2 2
L3 3
L4 4
LCOM1 5
L5 6
L6 7
LCOM2 8
L7 9
L8 10
11
LCOM3
V 19
DD
V SS 16
12
V EE
18
RES
S 17
IC516~519, 526: YAC520-EE2
Stereo Digital Volume Controller
VREF
+
–
LIN2 12
LIN1 11 9
Vref
Generator
IC522: AN78N05
256 &
8
Reset
Voltage Regulator
pulse
Generator
DVSS 4 Reset
Output Pass Transistor Rsc L 17
DVDD 3
16
Excessive Electric 18
Current Protection Zero Cross Control
AVSS 13 Detection Register 2
S/P 20
AVDD 6 R
16
Register 19
Standard +
Amp. 1
Voltage
–
256
Heat
Protection
Starter
Circuit
RIN1 15 7
RIN2 14
1 2 3
VREF
J K L
Point 3 emitter of Q511
and collector of Q522
A Q511 E
B Q522 C
POWER ON POWER OFF
(Connect the power cord) (Disconnect the power cord)
x: NOT USED
O: USED / APPLICABLE
IC502, 504: LC78212
Analog Function Switch
L1 1 30 R1
8 +V L2 2 29 R2
CC
L3 3 28 R3
7 OUT 2
+ – + –
LCOM1 4 27 RCOM1
6 –IN 2
5 26
L4 R4
5 +IN L5 6 25
2 R5
L6 7 24 R6
8 23
LCOM2 RCOM2
L7 9 22 R7
L8 10 21 R8
LCOM3 11 20 RCOM3
19
V DD LEVEL SHIFTER
16
V SS
ZZ 14 D1
LATCH
V 12
EE
ZZ 15 CL
RES 18
SHIFT REGISTER
17 13
S ZZ CE
IC505, 510: LC78213
Analog Function Switch
L1 1 30 R1
30
R1
2 29
L2 R2
29 R2
LCOM1 3 28
RCOM1
28 R3
L3 4 27 R3
27 R4
L4 5 26 R4
26 RCOM1
25 R5
LCOM2 6 25 RCOM2
24 R6
L5 7 24 R5
23 RCOM2
8 23
L6 R6
22 R7
LCOM3 9 22 RCOM3
21 R8
20 RCOM3 L7 10 21 R7
LEVEL SHIFTER 11 20
LCOM4 RCOM4
19
14 V DD LEVEL SHIFTER
ZZ D1
LATCH
V 16
SS 14
15 CL ZZ D1
ZZ LATCH
V EE 12
SHIFT REGISTER
15
13 CE 18 ZZ CL
ZZ RES
SHIFT REGISTER
17 13
S ZZ CE
IC512: MX29F400BTC-70
4Mbit CMOS Flash Memory
CE
Control Program/Erase
Write State
OE
Input Logic High Voltage
Machine (WSM)
WE
LOUT
Address State
Flash
Latch Register
A0~A17 Array Array
VREF and
Source
Buffer
HV
ICN Command
Y-Pass
TE Data Decoder
Gate
ZCEN
SDATAO
SDATAI Command
Sense PGM
CSN Data Latch
Amplifier Data HV
SCLK
Program
Data Latch
ROUT
Q0~Q15/A-1 I/O Buffer
85